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//! This file has been automatically generated by `objc2`'s `header-translator`.
//! DO NOT EDIT
use core::cell::UnsafeCell;
use core::ffi::*;
use core::marker::{PhantomData, PhantomPinned};
use core::ptr::NonNull;
#[cfg(feature = "dispatch2")]
use dispatch2::*;
#[cfg(feature = "objc2")]
use objc2::__framework_prelude::*;
use objc2_core_foundation::*;
#[cfg(feature = "objc2-io-surface")]
#[cfg(not(target_os = "watchos"))]
use objc2_io_surface::*;
use crate::*;
/// An opaque reference to a CGDisplayStream object
///
/// A CGDisplayStream provides a streaming API for capturing display updates in a realtime manner. It can also provide
/// scaling and color space conversion services, as well as allow capturing sub regions of the display. Callbacks can be targetted
/// at either a traditional CFRunLoop, or at a dispatch queue.
///
/// See also [Apple's documentation](https://developer.apple.com/documentation/coregraphics/cgdisplaystream?language=objc)
#[doc(alias = "CGDisplayStreamRef")]
#[repr(C)]
pub struct CGDisplayStream {
inner: [u8; 0],
_p: UnsafeCell<PhantomData<(*const UnsafeCell<()>, PhantomPinned)>>,
}
cf_type!(
unsafe impl CGDisplayStream {}
);
#[cfg(feature = "objc2")]
cf_objc2_type!(
unsafe impl RefEncode<"CGDisplayStream"> for CGDisplayStream {}
);
/// An opaque reference to a single frame's extra metadata that describes useful frame delta information
///
/// A CGDisplayStreamUpdate encapsulates information about what portions of a frame have changed relative to
/// a previously delivered frame. This includes regions that were changed in any way, which ones were actually redrawn, and which
/// regions were merely copied from one place to another. A routine is provided to merge two update refs together in cases
/// where apps need to coalesce the values because they decided to skip processing for one or more frames.
///
/// See also [Apple's documentation](https://developer.apple.com/documentation/coregraphics/cgdisplaystreamupdate?language=objc)
#[doc(alias = "CGDisplayStreamUpdateRef")]
#[repr(C)]
pub struct CGDisplayStreamUpdate {
inner: [u8; 0],
_p: UnsafeCell<PhantomData<(*const UnsafeCell<()>, PhantomPinned)>>,
}
cf_type!(
unsafe impl CGDisplayStreamUpdate {}
);
#[cfg(feature = "objc2")]
cf_objc2_type!(
unsafe impl RefEncode<"CGDisplayStreamUpdate"> for CGDisplayStreamUpdate {}
);
/// Used to select which array of rectangles to be returned by CGDisplayUpdateGetRects
///
/// See also [Apple's documentation](https://developer.apple.com/documentation/coregraphics/cgdisplaystreamupdaterecttype?language=objc)
// NS_ENUM
#[repr(transparent)]
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord)]
pub struct CGDisplayStreamUpdateRectType(pub i32);
impl CGDisplayStreamUpdateRectType {
#[doc(alias = "kCGDisplayStreamUpdateRefreshedRects")]
pub const RefreshedRects: Self = Self(0);
#[doc(alias = "kCGDisplayStreamUpdateMovedRects")]
pub const MovedRects: Self = Self(1);
#[doc(alias = "kCGDisplayStreamUpdateDirtyRects")]
pub const DirtyRects: Self = Self(2);
#[doc(alias = "kCGDisplayStreamUpdateReducedDirtyRects")]
pub const ReducedDirtyRects: Self = Self(3);
}
#[cfg(feature = "objc2")]
unsafe impl Encode for CGDisplayStreamUpdateRectType {
const ENCODING: Encoding = i32::ENCODING;
}
#[cfg(feature = "objc2")]
unsafe impl RefEncode for CGDisplayStreamUpdateRectType {
const ENCODING_REF: Encoding = Encoding::Pointer(&Self::ENCODING);
}
/// Provides information about incoming frame updates
///
/// See also [Apple's documentation](https://developer.apple.com/documentation/coregraphics/cgdisplaystreamframestatus?language=objc)
// NS_ENUM
#[repr(transparent)]
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord)]
pub struct CGDisplayStreamFrameStatus(pub i32);
impl CGDisplayStreamFrameStatus {
#[doc(alias = "kCGDisplayStreamFrameStatusFrameComplete")]
pub const FrameComplete: Self = Self(0);
#[doc(alias = "kCGDisplayStreamFrameStatusFrameIdle")]
pub const FrameIdle: Self = Self(1);
#[doc(alias = "kCGDisplayStreamFrameStatusFrameBlank")]
pub const FrameBlank: Self = Self(2);
#[doc(alias = "kCGDisplayStreamFrameStatusStopped")]
pub const Stopped: Self = Self(3);
}
#[cfg(feature = "objc2")]
unsafe impl Encode for CGDisplayStreamFrameStatus {
const ENCODING: Encoding = i32::ENCODING;
}
#[cfg(feature = "objc2")]
unsafe impl RefEncode for CGDisplayStreamFrameStatus {
const ENCODING_REF: Encoding = Encoding::Pointer(&Self::ENCODING);
}
/// [Apple's documentation](https://developer.apple.com/documentation/coregraphics/cgdisplaystreamframeavailablehandler?language=objc)
#[cfg(all(feature = "block2", feature = "objc2-io-surface"))]
#[cfg(not(target_os = "watchos"))]
pub type CGDisplayStreamFrameAvailableHandler = *mut block2::DynBlock<
dyn Fn(CGDisplayStreamFrameStatus, u64, *mut IOSurfaceRef, *const CGDisplayStreamUpdate),
>;
unsafe impl ConcreteType for CGDisplayStreamUpdate {
/// Returns the CF "class" ID for CGDisplayStreamUpdate
///
/// Returns: The CFTypeID of the CGDisplayStreamUpdate class.
#[doc(alias = "CGDisplayStreamUpdateGetTypeID")]
#[inline]
fn type_id() -> CFTypeID {
extern "C-unwind" {
fn CGDisplayStreamUpdateGetTypeID() -> CFTypeID;
}
unsafe { CGDisplayStreamUpdateGetTypeID() }
}
}
impl CGDisplayStreamUpdate {
/// Returns a pointer to an array of CGRect structs that describe what parts of the frame have changed relative
/// to the previously delivered frame. This rectangle list encapsulates both the update rectangles and movement rectangles.
///
/// Parameter `updateRef`: The CGDisplayStreamUpdateRef
///
/// Parameter `rectCount`: A pointer to where the count of the number of rectangles in the array is to be returned. Must not be NULL.
///
/// Returns: A pointer to the array of CGRectangles. This array should not be freed by the caller.
///
/// # Safety
///
/// `rect_count` must be a valid pointer.
#[doc(alias = "CGDisplayStreamUpdateGetRects")]
#[deprecated = "Please use ScreenCaptureKit instead."]
#[inline]
pub unsafe fn rects(
update_ref: Option<&CGDisplayStreamUpdate>,
rect_type: CGDisplayStreamUpdateRectType,
rect_count: NonNull<usize>,
) -> *const CGRect {
extern "C-unwind" {
fn CGDisplayStreamUpdateGetRects(
update_ref: Option<&CGDisplayStreamUpdate>,
rect_type: CGDisplayStreamUpdateRectType,
rect_count: NonNull<usize>,
) -> *const CGRect;
}
unsafe { CGDisplayStreamUpdateGetRects(update_ref, rect_type, rect_count) }
}
/// Merge two CGDisplayUpdateRefs into a new one.
///
/// In cases where the client wishes to drop certain frame updates, this function may be used to merge two
/// CGDisplayUpdateRefs together. The core bit of functionality here is generating a new set of refresh/move/dirty
/// rectangle arrays that properly represent the union of the deltas between the two frames. Note that the ordering of
/// the two refs is important.
///
///
/// Parameter `firstUpdate`: The first update (in a temporal sense)
///
/// Parameter `secondUpdate`: The second update (in a temporal sense)
///
/// Returns: The new CGDisplayStreamUpdateRef
#[doc(alias = "CGDisplayStreamUpdateCreateMergedUpdate")]
#[deprecated = "Please use ScreenCaptureKit instead."]
#[inline]
pub fn new_merged_update(
first_update: Option<&CGDisplayStreamUpdate>,
second_update: Option<&CGDisplayStreamUpdate>,
) -> Option<CFRetained<CGDisplayStreamUpdate>> {
extern "C-unwind" {
fn CGDisplayStreamUpdateCreateMergedUpdate(
first_update: Option<&CGDisplayStreamUpdate>,
second_update: Option<&CGDisplayStreamUpdate>,
) -> Option<NonNull<CGDisplayStreamUpdate>>;
}
let ret = unsafe { CGDisplayStreamUpdateCreateMergedUpdate(first_update, second_update) };
ret.map(|ret| unsafe { CFRetained::from_raw(ret) })
}
/// Return the movement dx and dy values for a single update
///
/// Parameter `updateRef`: The CGDisplayStreamUpdateRef
///
/// Parameter `dx`: A pointer to a CGFloat to store the x component of the movement delta
///
/// Parameter `dy`: A pointer to a CGFloat to store the y component of the movement delta
///
/// The delta values describe the offset from the moved rectangles back to the source location.
///
/// # Safety
///
/// - `dx` must be a valid pointer.
/// - `dy` must be a valid pointer.
#[doc(alias = "CGDisplayStreamUpdateGetMovedRectsDelta")]
#[deprecated = "Please use ScreenCaptureKit instead."]
#[inline]
pub unsafe fn moved_rects_delta(
update_ref: Option<&CGDisplayStreamUpdate>,
dx: NonNull<CGFloat>,
dy: NonNull<CGFloat>,
) {
extern "C-unwind" {
fn CGDisplayStreamUpdateGetMovedRectsDelta(
update_ref: Option<&CGDisplayStreamUpdate>,
dx: NonNull<CGFloat>,
dy: NonNull<CGFloat>,
);
}
unsafe { CGDisplayStreamUpdateGetMovedRectsDelta(update_ref, dx, dy) }
}
/// Return how many frames (if any) have been dropped since the last call to the handler.
///
/// Parameter `updateRef`: The CGDisplayStreamUpdateRef
///
/// Returns: The number of dropped frames
///
/// This call is primarily useful for performance measurement to determine if the client is keeping up with
/// all WindowServer updates.
#[doc(alias = "CGDisplayStreamUpdateGetDropCount")]
#[deprecated = "Please use ScreenCaptureKit instead."]
#[inline]
pub fn drop_count(update_ref: Option<&CGDisplayStreamUpdate>) -> usize {
extern "C-unwind" {
fn CGDisplayStreamUpdateGetDropCount(
update_ref: Option<&CGDisplayStreamUpdate>,
) -> usize;
}
unsafe { CGDisplayStreamUpdateGetDropCount(update_ref) }
}
}
extern "C" {
/// This may be used to request a subregion of the display to be provided as the source of the display stream. Use
/// CGRectCreateDictionaryRepresentation to convert from a CGRect to the value used here. Note: The coordinate system for the
/// source rectangle is specified in display logical coordinates and not in pixels, in order to match the normal convention on
/// HiDPI displays.
///
/// See also [Apple's documentation](https://developer.apple.com/documentation/coregraphics/kcgdisplaystreamsourcerect?language=objc)
#[deprecated = "Please use ScreenCaptureKit instead."]
pub static kCGDisplayStreamSourceRect: &'static CFString;
}
extern "C" {
/// This may be used to request where within the destination buffer the display updates should be placed. Use
/// CGRectCreateDictionaryRepresentation to convert from a CGRect to the value used here. Note: The coordinate system for
/// the destination rectangle is always specified in output pixels to match the fact that the output buffer size is also
/// specified in terms of pixels.
///
/// See also [Apple's documentation](https://developer.apple.com/documentation/coregraphics/kcgdisplaystreamdestinationrect?language=objc)
#[deprecated = "Please use ScreenCaptureKit instead."]
pub static kCGDisplayStreamDestinationRect: &'static CFString;
}
extern "C" {
/// Enable/disable the work the Window Server will do to preserve the display aspect ratio. By default the Window Server will
/// assume that it should preserve the original aspect ratio of the source display rect. If the aspect ratio of the source display and
/// the display stream destination rect are not the same, black borders will be inserted at the top/bottom or right/left sides of the destination
/// in order to preserve the source aspect ratio.
///
/// See also [Apple's documentation](https://developer.apple.com/documentation/coregraphics/kcgdisplaystreampreserveaspectratio?language=objc)
#[deprecated = "Please use ScreenCaptureKit instead."]
pub static kCGDisplayStreamPreserveAspectRatio: &'static CFString;
}
extern "C" {
/// Set the desired CGColorSpace of the output frames. By default the color space will be that of the display.
///
/// See also [Apple's documentation](https://developer.apple.com/documentation/coregraphics/kcgdisplaystreamcolorspace?language=objc)
#[deprecated = "Please use ScreenCaptureKit instead."]
pub static kCGDisplayStreamColorSpace: &'static CFString;
}
extern "C" {
/// Request that the delta between frame updates be at least as much specified by this value.
///
/// See also [Apple's documentation](https://developer.apple.com/documentation/coregraphics/kcgdisplaystreamminimumframetime?language=objc)
#[deprecated = "Please use ScreenCaptureKit instead."]
pub static kCGDisplayStreamMinimumFrameTime: &'static CFString;
}
extern "C" {
/// Controls whether the cursor is embedded within the provided buffers or not.
///
/// See also [Apple's documentation](https://developer.apple.com/documentation/coregraphics/kcgdisplaystreamshowcursor?language=objc)
#[deprecated = "Please use ScreenCaptureKit instead."]
pub static kCGDisplayStreamShowCursor: &'static CFString;
}
extern "C" {
/// Controls how many frames deep the frame queue will be. Defaults to N.
///
/// See also [Apple's documentation](https://developer.apple.com/documentation/coregraphics/kcgdisplaystreamqueuedepth?language=objc)
#[deprecated = "Please use ScreenCaptureKit instead."]
pub static kCGDisplayStreamQueueDepth: &'static CFString;
}
extern "C" {
/// When outputting frames in 420v or 420f format, this key may be used to control which YCbCr matrix is used
/// The value should be one of the three kCGDisplayStreamYCbCrMatrix values specified below.
///
/// See also [Apple's documentation](https://developer.apple.com/documentation/coregraphics/kcgdisplaystreamycbcrmatrix?language=objc)
#[deprecated = "Please use ScreenCaptureKit instead."]
pub static kCGDisplayStreamYCbCrMatrix: &'static CFString;
}
extern "C" {
/// [Apple's documentation](https://developer.apple.com/documentation/coregraphics/kcgdisplaystreamycbcrmatrix_itu_r_709_2?language=objc)
pub static kCGDisplayStreamYCbCrMatrix_ITU_R_709_2: &'static CFString;
}
extern "C" {
/// [Apple's documentation](https://developer.apple.com/documentation/coregraphics/kcgdisplaystreamycbcrmatrix_itu_r_601_4?language=objc)
pub static kCGDisplayStreamYCbCrMatrix_ITU_R_601_4: &'static CFString;
}
extern "C" {
/// [Apple's documentation](https://developer.apple.com/documentation/coregraphics/kcgdisplaystreamycbcrmatrix_smpte_240m_1995?language=objc)
pub static kCGDisplayStreamYCbCrMatrix_SMPTE_240M_1995: &'static CFString;
}
unsafe impl ConcreteType for CGDisplayStream {
/// Returns the CF "class" ID for CGDisplayStream
///
/// Returns: The CFTypeID of the CGDisplayStream class.
#[doc(alias = "CGDisplayStreamGetTypeID")]
#[inline]
fn type_id() -> CFTypeID {
extern "C-unwind" {
fn CGDisplayStreamGetTypeID() -> CFTypeID;
}
unsafe { CGDisplayStreamGetTypeID() }
}
}
impl CGDisplayStream {
/// Creates a new CGDisplayStream intended to be used with a CFRunLoop
///
/// This function creates a new CGDisplayStream that is to be used to get a stream of frame updates
/// from a particular display.
///
/// Parameter `display`: The CGDirectDisplayID to use as the source for generated frames
///
/// Parameter `outputWidth`: The output width (in pixels, not points) of the frames to be generated. Must not be zero.
///
/// Parameter `outputHeight`: The output height (in pixels, not points) of the frames to be generated. Must not be zero.
///
/// Parameter `pixelFormat`: The desired CoreVideo/CoreMedia-style pixel format of the output IOSurfaces. The currently
/// supported values are:
///
/// 'BGRA' Packed Little Endian ARGB8888
/// 'l10r' Packed Little Endian ARGB2101010
/// '420v' 2-plane "video" range YCbCr 4:2:0
/// '420f' 2-plane "full" range YCbCr 4:2:0
///
///
/// Parameter `properties`: Any optional properties of the CGDisplayStream
///
/// Parameter `handler`: A block that will be called for frame deliver.
///
/// Returns: The new CGDisplayStream object.
///
/// # Safety
///
/// - `properties` generics must be of the correct type.
/// - `handler` must be a valid pointer or null.
#[doc(alias = "CGDisplayStreamCreate")]
#[cfg(all(
feature = "CGDirectDisplay",
feature = "block2",
feature = "objc2-io-surface"
))]
#[cfg(not(target_os = "watchos"))]
#[deprecated = "Please use ScreenCaptureKit instead."]
#[inline]
pub unsafe fn new(
display: CGDirectDisplayID,
output_width: usize,
output_height: usize,
pixel_format: i32,
properties: Option<&CFDictionary>,
handler: CGDisplayStreamFrameAvailableHandler,
) -> Option<CFRetained<CGDisplayStream>> {
extern "C-unwind" {
fn CGDisplayStreamCreate(
display: CGDirectDisplayID,
output_width: usize,
output_height: usize,
pixel_format: i32,
properties: Option<&CFDictionary>,
handler: CGDisplayStreamFrameAvailableHandler,
) -> Option<NonNull<CGDisplayStream>>;
}
let ret = unsafe {
CGDisplayStreamCreate(
display,
output_width,
output_height,
pixel_format,
properties,
handler,
)
};
ret.map(|ret| unsafe { CFRetained::from_raw(ret) })
}
/// Creates a new CGDisplayStream intended to be serviced by a block handler
///
/// This function creates a new CGDisplayStream that is to be used to get a stream of frame updates
/// from a particular display.
///
/// Parameter `display`: The CGDirectDisplayID to use as the source for generated frames
///
/// Parameter `outputWidth`: The output width (in pixels, not points) of the frames to be generated. Must not be zero.
///
/// Parameter `outputHeight`: The output height (in pixels, not points) of the frames to be generated. Must not be zero.
///
/// Parameter `pixelFormat`: The desired CoreVideo/CoreMedia-style pixel format of the output IOSurfaces
///
/// Parameter `properties`: Any optional properties of the CGDisplayStream
///
/// Parameter `queue`: The dispatch_queue_t that will be used to invoke the callback handler.
///
/// Parameter `handler`: A block that will be called for frame deliver.
///
/// Returns: The new CGDisplayStream object.
///
/// # Safety
///
/// - `properties` generics must be of the correct type.
/// - `queue` possibly has additional threading requirements.
/// - `handler` must be a valid pointer or null.
#[doc(alias = "CGDisplayStreamCreateWithDispatchQueue")]
#[cfg(all(
feature = "CGDirectDisplay",
feature = "block2",
feature = "dispatch2",
feature = "objc2-io-surface"
))]
#[cfg(not(target_os = "watchos"))]
#[deprecated = "Please use ScreenCaptureKit instead."]
#[inline]
pub unsafe fn with_dispatch_queue(
display: CGDirectDisplayID,
output_width: usize,
output_height: usize,
pixel_format: i32,
properties: Option<&CFDictionary>,
queue: &DispatchQueue,
handler: CGDisplayStreamFrameAvailableHandler,
) -> Option<CFRetained<CGDisplayStream>> {
extern "C-unwind" {
fn CGDisplayStreamCreateWithDispatchQueue(
display: CGDirectDisplayID,
output_width: usize,
output_height: usize,
pixel_format: i32,
properties: Option<&CFDictionary>,
queue: &DispatchQueue,
handler: CGDisplayStreamFrameAvailableHandler,
) -> Option<NonNull<CGDisplayStream>>;
}
let ret = unsafe {
CGDisplayStreamCreateWithDispatchQueue(
display,
output_width,
output_height,
pixel_format,
properties,
queue,
handler,
)
};
ret.map(|ret| unsafe { CFRetained::from_raw(ret) })
}
/// Begin delivering frame updates to the handler block.
///
/// Parameter `displayStream`: to be started
///
/// Returns: kCGErrorSuccess If the display stream was started, otherwise an error.
#[doc(alias = "CGDisplayStreamStart")]
#[cfg(feature = "CGError")]
#[deprecated = "Please use ScreenCaptureKit instead."]
#[inline]
pub fn start(display_stream: Option<&CGDisplayStream>) -> CGError {
extern "C-unwind" {
fn CGDisplayStreamStart(display_stream: Option<&CGDisplayStream>) -> CGError;
}
unsafe { CGDisplayStreamStart(display_stream) }
}
/// End delivery of frame updates to the handler block.
///
/// Parameter `displayStream`: to be stopped
///
/// Returns: kCGErrorSuccess If the display stream was stopped, otherwise an error.
///
/// After this call returns, the CGDisplayStream callback function will eventually be called with a
/// status of kCGDisplayStreamFrameStatusStopped. After that point it is safe to release the CGDisplayStream.
/// It is safe to call this function from within the handler block, but the previous caveat still applies.
#[doc(alias = "CGDisplayStreamStop")]
#[cfg(feature = "CGError")]
#[deprecated = "Please use ScreenCaptureKit instead."]
#[inline]
pub fn stop(display_stream: Option<&CGDisplayStream>) -> CGError {
extern "C-unwind" {
fn CGDisplayStreamStop(display_stream: Option<&CGDisplayStream>) -> CGError;
}
unsafe { CGDisplayStreamStop(display_stream) }
}
/// Return the singleton CFRunLoopSourceRef for a CGDisplayStream.
///
/// Parameter `displayStream`: The CGDisplayStream object
///
/// Returns: The CFRunLoopSource for this displayStream. Note: This function will return NULL if the
/// display stream was created via CGDisplayStreamCreateWithDispatchQueue().
#[doc(alias = "CGDisplayStreamGetRunLoopSource")]
#[deprecated = "Please use ScreenCaptureKit instead."]
#[inline]
pub unsafe fn run_loop_source(
display_stream: Option<&CGDisplayStream>,
) -> Option<CFRetained<CFRunLoopSource>> {
extern "C-unwind" {
fn CGDisplayStreamGetRunLoopSource(
display_stream: Option<&CGDisplayStream>,
) -> Option<NonNull<CFRunLoopSource>>;
}
let ret = unsafe { CGDisplayStreamGetRunLoopSource(display_stream) };
ret.map(|ret| unsafe { CFRetained::retain(ret) })
}
}
extern "C-unwind" {
#[deprecated = "renamed to `CGDisplayStreamUpdate::rects`"]
pub fn CGDisplayStreamUpdateGetRects(
update_ref: Option<&CGDisplayStreamUpdate>,
rect_type: CGDisplayStreamUpdateRectType,
rect_count: NonNull<usize>,
) -> *const CGRect;
}
#[deprecated = "renamed to `CGDisplayStreamUpdate::new_merged_update`"]
#[inline]
pub extern "C-unwind" fn CGDisplayStreamUpdateCreateMergedUpdate(
first_update: Option<&CGDisplayStreamUpdate>,
second_update: Option<&CGDisplayStreamUpdate>,
) -> Option<CFRetained<CGDisplayStreamUpdate>> {
extern "C-unwind" {
fn CGDisplayStreamUpdateCreateMergedUpdate(
first_update: Option<&CGDisplayStreamUpdate>,
second_update: Option<&CGDisplayStreamUpdate>,
) -> Option<NonNull<CGDisplayStreamUpdate>>;
}
let ret = unsafe { CGDisplayStreamUpdateCreateMergedUpdate(first_update, second_update) };
ret.map(|ret| unsafe { CFRetained::from_raw(ret) })
}
extern "C-unwind" {
#[deprecated = "renamed to `CGDisplayStreamUpdate::moved_rects_delta`"]
pub fn CGDisplayStreamUpdateGetMovedRectsDelta(
update_ref: Option<&CGDisplayStreamUpdate>,
dx: NonNull<CGFloat>,
dy: NonNull<CGFloat>,
);
}
#[deprecated = "renamed to `CGDisplayStreamUpdate::drop_count`"]
#[inline]
pub extern "C-unwind" fn CGDisplayStreamUpdateGetDropCount(
update_ref: Option<&CGDisplayStreamUpdate>,
) -> usize {
extern "C-unwind" {
fn CGDisplayStreamUpdateGetDropCount(update_ref: Option<&CGDisplayStreamUpdate>) -> usize;
}
unsafe { CGDisplayStreamUpdateGetDropCount(update_ref) }
}
#[cfg(all(
feature = "CGDirectDisplay",
feature = "block2",
feature = "objc2-io-surface"
))]
#[cfg(not(target_os = "watchos"))]
#[deprecated = "renamed to `CGDisplayStream::new`"]
#[inline]
pub unsafe extern "C-unwind" fn CGDisplayStreamCreate(
display: CGDirectDisplayID,
output_width: usize,
output_height: usize,
pixel_format: i32,
properties: Option<&CFDictionary>,
handler: CGDisplayStreamFrameAvailableHandler,
) -> Option<CFRetained<CGDisplayStream>> {
extern "C-unwind" {
fn CGDisplayStreamCreate(
display: CGDirectDisplayID,
output_width: usize,
output_height: usize,
pixel_format: i32,
properties: Option<&CFDictionary>,
handler: CGDisplayStreamFrameAvailableHandler,
) -> Option<NonNull<CGDisplayStream>>;
}
let ret = unsafe {
CGDisplayStreamCreate(
display,
output_width,
output_height,
pixel_format,
properties,
handler,
)
};
ret.map(|ret| unsafe { CFRetained::from_raw(ret) })
}
#[cfg(all(
feature = "CGDirectDisplay",
feature = "block2",
feature = "dispatch2",
feature = "objc2-io-surface"
))]
#[cfg(not(target_os = "watchos"))]
#[deprecated = "renamed to `CGDisplayStream::with_dispatch_queue`"]
#[inline]
pub unsafe extern "C-unwind" fn CGDisplayStreamCreateWithDispatchQueue(
display: CGDirectDisplayID,
output_width: usize,
output_height: usize,
pixel_format: i32,
properties: Option<&CFDictionary>,
queue: &DispatchQueue,
handler: CGDisplayStreamFrameAvailableHandler,
) -> Option<CFRetained<CGDisplayStream>> {
extern "C-unwind" {
fn CGDisplayStreamCreateWithDispatchQueue(
display: CGDirectDisplayID,
output_width: usize,
output_height: usize,
pixel_format: i32,
properties: Option<&CFDictionary>,
queue: &DispatchQueue,
handler: CGDisplayStreamFrameAvailableHandler,
) -> Option<NonNull<CGDisplayStream>>;
}
let ret = unsafe {
CGDisplayStreamCreateWithDispatchQueue(
display,
output_width,
output_height,
pixel_format,
properties,
queue,
handler,
)
};
ret.map(|ret| unsafe { CFRetained::from_raw(ret) })
}
#[cfg(feature = "CGError")]
#[deprecated = "renamed to `CGDisplayStream::start`"]
#[inline]
pub extern "C-unwind" fn CGDisplayStreamStart(display_stream: Option<&CGDisplayStream>) -> CGError {
extern "C-unwind" {
fn CGDisplayStreamStart(display_stream: Option<&CGDisplayStream>) -> CGError;
}
unsafe { CGDisplayStreamStart(display_stream) }
}
#[cfg(feature = "CGError")]
#[deprecated = "renamed to `CGDisplayStream::stop`"]
#[inline]
pub extern "C-unwind" fn CGDisplayStreamStop(display_stream: Option<&CGDisplayStream>) -> CGError {
extern "C-unwind" {
fn CGDisplayStreamStop(display_stream: Option<&CGDisplayStream>) -> CGError;
}
unsafe { CGDisplayStreamStop(display_stream) }
}
#[deprecated = "renamed to `CGDisplayStream::run_loop_source`"]
#[inline]
pub unsafe extern "C-unwind" fn CGDisplayStreamGetRunLoopSource(
display_stream: Option<&CGDisplayStream>,
) -> Option<CFRetained<CFRunLoopSource>> {
extern "C-unwind" {
fn CGDisplayStreamGetRunLoopSource(
display_stream: Option<&CGDisplayStream>,
) -> Option<NonNull<CFRunLoopSource>>;
}
let ret = unsafe { CGDisplayStreamGetRunLoopSource(display_stream) };
ret.map(|ret| unsafe { CFRetained::retain(ret) })
}